Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 74
... VALUES ARE IN MILI VOLTS .. RESIDUALS FOR THE ABOVE ESTIMATE ... = 0.001129 * ALL PHASE VALUES ARE IN MILI VOLTS .. 1 Zw = R [ 1 - m { 1- } ] 1 + ( iwy ) O where R is target resistance , m chargeability , y time constant , c coupling ...
... VALUES ARE IN MILI VOLTS .. RESIDUALS FOR THE ABOVE ESTIMATE ... = 0.001129 * ALL PHASE VALUES ARE IN MILI VOLTS .. 1 Zw = R [ 1 - m { 1- } ] 1 + ( iwy ) O where R is target resistance , m chargeability , y time constant , c coupling ...
Page 152
... values for gold . The values for Pt vary between 0.03 ppm to 0.5 ppm and Pd values range between 0.03 ppm to 1.2 ppm . While plotting the values for Pt and Pd on the map it has been noted that 3 miner- alised zones , where consistent values ...
... values for gold . The values for Pt vary between 0.03 ppm to 0.5 ppm and Pd values range between 0.03 ppm to 1.2 ppm . While plotting the values for Pt and Pd on the map it has been noted that 3 miner- alised zones , where consistent values ...
Page 154
... values were obtained . One BIF sample has yielded the maximum As value of 7500 ppm ; in all thirty - three samples have yielded As value over 100 ppm . Silver values are almost uniformly low - below 5 ppm , except two samples of BIF ...
... values were obtained . One BIF sample has yielded the maximum As value of 7500 ppm ; in all thirty - three samples have yielded As value over 100 ppm . Silver values are almost uniformly low - below 5 ppm , except two samples of BIF ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone